Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual era a largura do carpete em 1993?
 ###Tabelas: CREATE TABLE united_kingdom_channel_4 (united_kingdom_channel_4_id AUTO_INCREMENT PRIMARY KEY, Episode number INT, Title VARCHAR, Original airing on Channel 4 VARCHAR, Time of airing on Channel 4 VARCHAR, Original airing on E4 VARCHAR, Time of airing on E4 VARCHAR, Position in Channel 4s ratings a VARCHAR, Position in E4s ratings b VARCHAR, Total viewers VARCHAR) CREATE TABLE overview (overview_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Location VARCHAR, Current manager VARCHAR, Team captain VARCHAR, Stadium VARCHAR, Capacity INT) CREATE TABLE best_songs_in_telugu (best_songs_in_telugu_id AUTO_INCREMENT PRIMARY KEY, Year INT, Song Title VARCHAR, Film VARCHAR, Co - Singer VARCHAR, Music - Director VARCHAR) CREATE TABLE stadium_and_locations (stadium_and_locations_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Short name VARCHAR, City VARCHAR, Stadium VARCHAR, Capacity INT) CREATE TABLE career_singles_statistics (career_singles_statistics_id AUTO_INCREMENT PRIMARY KEY, Year INT, Tournaments INT, Titles INT, Hardcourt W–L VARCHAR, Clay W–L VARCHAR, Grass W–L VARCHAR, Carpet W–L VARCHAR, Overall W–L VARCHAR, Win % VARCHAR, Year End Ranking VARCHAR)  
SELECT Carpet W–L FROM career_singles_statistics WHERE Year = 1993